<template>
  <view>
    <view class="goods-list">
      <view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)">
        <my-goods :goods="goods"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
export default {   data() {
    return {
      // 请求参数对象
      queryObj: {
        query: '',
        cid: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0,
      // 节流阀
      isloading: false
    }
  },
  onLoad(options) {
    this.queryObj.query = options.query || ''
    this.queryObj.cid = options.cid || ''

    this.getGoodsList()
  },
  methods: {
    // 获取商品列表数据的方法
    async getGoodsList(cb) {
      // 打开节流阀
      this.isloading = true
      console.log(this.queryObj)
      const { data: res } = await uni.$http.get(
        '/api/public/v1/goods/search',
        this.queryObj
      )
      // 关闭节流阀
      this.isloading = false
      cb && cb()
      console.log(res)
      if (res.meta.status !== 200) return uni.$showMsg()

      this.goodsList = [...this.goodsList, ...res.message.goods]
      this.total = res.message.total
    },
    gotoDetail(goods) {
      uni.navigateTo({
        url: '/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
      })
    }
  },
  onReachBottom() {
    if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total)
      return uni.$showMsg('数据加载完毕!')

    if (this.isloading) return

    // 让页码值自增+1
    this.queryObj.pagenum++
    this.getGoodsList()
  },
  onPullDownRefresh() {
    // 重置关键数据
    this.queryObj.pagenum = 1
    this.total = 0
    this.isloading = false
    this.goodsList = []

    // 重新发起数据请求
    this.getGoodsList(() => uni.stopPullDownRefresh())
  }
}
</script>

<style lang="scss"></style>
